With this 96 piece giant red and white blocks set, you can build a half square (If using the included plans, once built it will measures 40 x 80 x 46 cm), it comes with full plans and pictorial instructions on how to build it. Each robust block has an interlocking design and measure 20 x 10 x 7.5 cm. It is suitable for indoor and outside use. Further plans can also be drawn up and the building blocks in the set can then be used to build almost any other structure in your childs imagination. For ages 10 months and over. WARNING(S): Only for domestic use. To be used under the direct supervision of an adult.